212343220301 has 8 divisors (see below), whose sum is σ = 215272605240. Its totient is φ = 209414391552.

The previous prime is 212343220277. The next prime is 212343220343. The reversal of 212343220301 is 103022343212.

It can be written as a sum of positive squares in 4 ways, for example, as 15607504900 + 196735715401 = 124930^2 + 443549^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212343220301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212343220501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 661331 + ... + 928463.

It is an arithmetic number, because the mean of its divisors is an integer number (26909075655).

Almost surely, 2^212343220301 is an apocalyptic number.

It is an amenable number.

212343220301 is a deficient number, since it is larger than the sum of its proper divisors (2929384939).

212343220301 is a wasteful number, since it uses less digits than its factorization.

212343220301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278095.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 212343220301 its reverse (103022343212), we get a palindrome (315365563513).

The spelling of 212343220301 in words is "two hundred twelve billion, three hundred forty-three million, two hundred twenty thousand, three hundred one".